Posted by **Anonymous** on Saturday, September 28, 2013 at 3:16pm.

Set M consists of the consecutive integers from -15 to y, inclusive. If the sum of all the integers in set M is 70, How many numbers are in the set?

- SAT prep help -
**Anonymous**, Saturday, September 28, 2013 at 3:16pm
a. 33

b. 34

c. 35

d. 36

e. 37

- SAT prep help -
**bobpursley**, Saturday, September 28, 2013 at 6:07pm
-15 to +15 includes 31 integers, counting zero. The sum is zero.

so 16+17+18+19=70 (ie, 17.5 x 4).

so I count 31+5 integers.

## Answer this Question

## Related Questions

- SAT math - Set M consists of the consecutive integers from -15 to y, inclusive. ...
- math - just a little stuck can you help me out? 1.)Sales (in millions) of a ...
- Math - The least integer of a set of consecutive integers is -25 if the sum of ...
- Math - The least integer of a set of consecutive integers is -48. if the sum of ...
- math check - Posted by TchrWill on Thursday, July 14, 2005 at 5:44pm. 2.)The sum...
- math - A set of integers has a sum of 420, and an average of 60. If one of the ...
- maths - explain why are the following not groups: 1)the set of Z integers with ...
- 11th grade mths - Please check urgently .I have to submit the assignment A give ...
- Math - The average of a set of five different positive integers is 360. The two ...
- Algebra 1 - The sum of three consecutive integers is 48.what is the set of the ...